Full list of all 80 BioShock Infinite achievements. It takes around 25-30 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 30 achievements.
Defeated all waves in The OPS Zeal.
Defeated all waves in Duke and Dimwit Theater.
Defeated all waves in Raven's Dome.
Defeated all waves in Emporia Arcade.
In CitC, unlocked all Gallery items.
In CitC, got a kill with each weapon and vigor (except Bucking Bronco).
In CitC, knocked an enemy off the city with Undertow, then rescued him, then knocked him off again.
In CitC, used all eight different vigor combos to deliver the killing blow on an enemy.
In CitC, killed an enemy with splash damage by shooting a rocket out of the air.
In CitC, completed all Blue Ribbon Challenges.
Took a Bathysphere ride in Burial at Sea - Episode 1.
Completed Burial at Sea - Episode 1.
Collected all Audio Diaries in Burial at Sea - Episode 1.
Purchased any two upgrades for Old Man Winter or Radar Range in Burial at Sea - Episode 1.
Destroyed ten Turrets in Burial at Sea - Episode 1.
Made 5 enemies explode with the Radar Range in Burial at Sea - Episode 1.
Damaged fifteen foes with an exploding enemy, using the Radar Range in Burial at Sea - Episode 1.
Shattered 5 enemies who had been frozen with Old Man Winter.
Froze 2 enemies with the same Old Man Winter trap.
Rode the tram in Burial at Sea - Episode 1.
Repaired the machine in Suchong's lab in Burial at Sea - Episode 2.
Delivered the hair sample in Burial at Sea - Episode 2.
Completed Burial at Sea - Episode 2.
Collected all Audio Diaries and Voxophones in Burial at Sea - Episode 2.
Completed Burial at Sea - Episode 2 in 1998 mode.
Gained five noisemakers through lockpicking.
Knocked out two or more enemies using the same Gas Bolt.
Used Ironsides to collect 20 rounds of ammo or more in Burial at Sea - Episode 2.
On three occasions, knocked out an enemy after silently dropping off a Freight Hook.
While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.